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Old 12-11-2008, 09:31 PM   #1
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Moen shower valve question


I'm almost embarrassed to ask this question, but want to get it right the first time. I bought a shower only,single handle control. The main valve body they gave me is 4 ports. Old one has three, hot,cold,shower head. i'm assuming the bottom port just gets a stub pipe sweated with a cap to seal it. Is this correct? Or could that be used somehow for an optional handheld shower. Also, instructions say valve can be sweated with the plastic inserts inside. Seems risky to me ! Any comments? P.S. The Moen instructions must assume an engineer is doing the install. Very vague.

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Old 12-11-2008, 10:24 PM   #2
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Moen shower valve question


Yes, if it's just a stand up shower, without tub, the just put a little piece in the bottom outlet and cap it off, if it is a bathtub, then you run that down, 90 it out for faucet to fill tub. There is a little metal clip on the top of the cartridge, pull that up, and take the cartridge out. Don't put it back in until its room temperature. Good luck.

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Old 12-11-2008, 10:38 PM   #3
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Moen shower valve question


YES YOU CAN RUN A HAND HELD SHOWER WAND OFF THE BOTTOM BUT YOU MUST HAVE SOME KIND OF DIVERTER VALVE INSTALLED TO SWITCH BACK AND FORTH ! !

I WOULD CHECK THE REPAIR INSTRUCTIONS FOR HOW TO REMOVE AND REPLACE VALVE CARTRIDGE,
THE ONE MENTION ABOVE IS THE OLD STYLE
MOEN " NOT " THE NEW STYLE PRESSURE BALANCE
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Old 12-11-2008, 11:32 PM   #4
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Moen shower valve question


I wouldn't solder the valve in without removing the gutz first either.

If this is a single lever Moen, it probably uses the Moen 1225 cartridge. To remove the cartridge, you have to remove the handle and (after turning off the water pressure) remove a clip holding the cartridge into the valve body. Then, you need to fit a small plastic cap (which Moen calls their "wrench") over the stem of the 1225 cartridge and turn that plastic "wrench" to break the bond between the O-rings on the 1225 cartridge and the metal valve body. You should then be able to pull the cartridge out with a pair of pliers (or screw the handle back onto the end of the cartridge and pull on the handle).

I expect you'll find that little white plastic "wrench" in the box the valve came in because MOST people would want to remove the cartridge before soldering the valve in. If not, any plumber will give you one free because every new 1225 cartridge comes with one of those "wrenches" on it's end.
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Old 12-12-2008, 10:22 AM   #5
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Moen shower valve question


Thanks for the info. I have the model with the two inline shut-offs as part of the valve. Any way to take those out also ?
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Old 12-14-2008, 11:17 PM   #6
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Moen shower valve question


Quote:
Originally Posted by tmbrink View Post
Thanks for the info. I have the model with the two inline shut-offs as part of the valve. Any way to take those out also ?
Absolutely.

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